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Finding the Fourth Proportional to 349,302,512.70, 523,953,769.05 and 349,302,512.70

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Solution

The fourth proportional to 349,302,512.70, 523,953,769.05 and 349,302,512.70 is: 523,953,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,302,512.70 : 523,953,769.05 = 349,302,512.70 : x
  2. Step 2: Convert to fraction form
    349,302,512.70/523,953,769.05 = 349,302,512.70/x
  3. Step 3: Cross multiply
    349,302,512.70x = 523,953,769.05 × 349,302,512.70
  4. Step 4: Simplify right side
    349,302,512.70x = 183,018,368,067,800,480
  5. Step 5: Solve for x
    x = 183,018,368,067,800,480/349,302,512.70
  6. Step 6: Final answer
    x = 523,953,769.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.